28401884

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 31916836

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 197, 266, 271, 394, 532, 542, 788, 1084, 1379, 1897, 2758, 3743, 3794, 5149, 5516, 7486, 7588, 10298, 14972, 20596, 26201, 36043, 52402, 53387, 72086, 104804, 106774, 144172, 213548, 373709, 747418, 1014353, 1494836, 2028706, 4057412, 7100471, 14200942, 28401884]

約数ペア:

[(1, 28401884), (2, 14200942), (4, 7100471), (7, 4057412), (14, 2028706), (19, 1494836), (28, 1014353), (38, 747418), (76, 373709), (133, 213548), (197, 144172), (266, 106774), (271, 104804), (394, 72086), (532, 53387), (542, 52402), (788, 36043), (1084, 26201), (1379, 20596), (1897, 14972), (2758, 10298), (3743, 7588), (3794, 7486), (5149, 5516)]